Mosaic decoration



FIG. 1 is a top plan view of a mosaic decoration;

FIG. 2 is a bottom plan view thereof;

FIG. 3 is a front elevation view thereof, the rear elevation view being a mirror image of FIG. 3; and,

FIG. 4 is a right side view thereof, the left side view being a mirror image of FIG. 4. 

The ornamental design for a mosaic decoration, as shown and described. 